1.Easy
Bulimia nervosa involves:
- AEating large amounts only at night without any distress
- BAvoidance of foods because of their texture only
- CPersistent refusal to eat, leading to very low body weight and fear of weight gain
- DRecurrent binge eating followed by compensatory behaviours such as vomiting
2.Easy
Autism spectrum disorder is defined by difficulties in social communication together with:
- ARecurrent episodes of elevated mood and increased energy lasting several days
- BRestricted, repetitive patterns of behaviour, interests or activities
- CHallucinations and delusions
- DA fear of gaining weight
3.Easy
Which brain changes are classically associated with Alzheimer's disease?
- ALoss of dopamine neurons in the substantia nigra only
- BDemyelination of the spinal cord
- CEnlarged thyroid and raised cortisol
- DAmyloid plaques and neurofibrillary tangles
4.Medium
Which statement about the monoamine hypothesis of depression is most accurate?
- AIt links depression to low monoamine activity but struggles to explain the delayed drug response
- BIt has been fully confirmed by direct measurements of serotonin levels in the brains of living patients
- CIt proves that depression is caused only by low dopamine in the frontal lobe
- DIt predicts that antidepressants improve mood within a few hours of a dose
5.Medium
Which personality disorder is marked by instability in relationships, self-image and emotions, together with marked impulsivity?
- AAvoidant personality disorder
- BBorderline personality disorder
- CSchizoid personality disorder
- DNarcissistic personality disorder
6.Medium
Selective serotonin reuptake inhibitors (SSRIs) increase serotonin in the synapse by:
- ABlocking the reuptake of serotonin into the presynaptic neuron
- BSpeeding up the breakdown of serotonin by monoamine oxidase enzymes
- CBlocking dopamine release
- DDestroying serotonin receptors
7.Hard
A soldier develops PTSD while most comrades exposed to the same battle do not. Which model best explains this difference?
- AThe diathesis–stress model
- BThe token economy model
- CThe statistical infrequency model
- DThe medical model of infection
8.Hard
A therapist helps a client with panic disorder deliberately bring on dizziness by spinning in a chair, without using safety behaviours. What is this technique called and why is it used?
- AInteroceptive exposure, so the client learns bodily sensations are not dangerous
- BAversion therapy, so the client learns to associate panic with physical discomfort
- CFlooding, so the client forgets their trauma
- DFree association, so unconscious fears come to light
Answer key
- 1. D · Recurrent binge eating followed by compensatory behaviours such as vomiting
- 2. B · Restricted, repetitive patterns of behaviour, interests or activities
- 3. D · Amyloid plaques and neurofibrillary tangles
- 4. A · It links depression to low monoamine activity but struggles to explain the delayed drug response
- 5. B · Borderline personality disorder
- 6. A · Blocking the reuptake of serotonin into the presynaptic neuron
- 7. A · The diathesis–stress model
- 8. A · Interoceptive exposure, so the client learns bodily sensations are not dangerous
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